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Day Count Convention: Act/365

Aliases: Act/365, Act/365F, Act/365 F, Actual/365 Fixed, Act/365 Fixed, A/365 Fixed, A/365F, English, AFI/365, Actual/365F

Usage: US bank saving accounts

Rules:

T1 = (Y1,M1,D1): Starting date (inclusive)  
T2 = (Y2,M2,D2): Ending date (exclusive)

Day_Count_Factor(T1,T2) = DiR(T1,T2) / DiY(T1,T2)

DiR(T1,T2) = Calendar_Days(T1,T2)

DiY(T1,T2) = 365

For more details, see our Act/365 Tutorials.

References:

• ISDA, 2006 ISDA Definitions, referred as: Actual/365 Fixed, Act/365 Fixed, A/365 Fixed, A/365F
• Wikipedia, Day count convention, referred as: Actual/365 Fixed, Act/365 Fixed, A/365 Fixed, A/365F
• OpenGamma, Day Counts, referred as: Actual/365 Fixed, Act/365F, English, AFI/365
• Cbonds, Bond Calculator - Day Count Conventions, referred as: Actual/365F, Actual/365 Fixed, English
• ISO 20022, Method of Interest Computation Indicator, referred as: Actual/365 Fixed
• Cbonds, (Day count) Basis, referred as: Actual/365
• Treasury Systems, Day Count Conventions, referred as: Act/365 F, Act/365 Fixed, A/365 Fixed, A/365F, English, Actual/365 Fixed, Actual/365F
• Deriscope, Name - convention for couting days, referred as: Act/365F, Act/365 Fixed), A/365 Fixed, A/365F
• Grokipedia, Day count convention, referred as: 30/360 Bond Basis
• Eclipse Software, Day Count Conventions, referred as: Actual/365 Fixed, Act/365 Fixed, A/365 Fixed, A/365F, Actual/365

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